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Setting 6A: Drive Enable
A digital input configured as a “Drive enable” (H1-
oo
= 6A) will prevent the drive from executing a Run command until
the input is closed. When the input is open, the HOA keypad will display “dnE” to indicate that the drive is disabled.
If a Run command is enabled before the terminal set for “Drive enable” closes, then the drive will not run until the Run
command is cycled (i.e., a new Run command is required). If the input is opened while the drive is running, the drive will stop
according to the stop method set to b1-03 (
Refer to b1-03: Stopping Method Selection on page 18
).
Setting 6D: AUTO Mode Select
Sets the behavior when AUTO Mode is selected.
Legacy Operation Mode (S5-04 = 0)
Open
Drive is in OFF or HAND mode
Closed
Drive is in AUTO mode (when HAND Mode Select input is open)
Normal Operation Mode (S5-04 = 1)
Open
HAND reference is selected (based on S5-01)
Closed
AUTO reference is selected (based on b1-01)
Setting 6E: HAND Mode Select
Sets the behavior when HAND Mode is selected.
Legacy Operation Mode (S5-04 = 0)
Open
Drive is in OFF or AUTO mode
Closed
Drive is in HAND mode (when AUTO Mode Select input is open)
Normal Operation Mode (S5-04 = 1)
Open
HAND reference is selected (based on S5-01)
Closed
AUTO reference is selected (based on b1-01)
Setting 70: Drive Enable2
A digital input configured as a Drive Enable2 input (H1-
oo
= 70) prevents the drive from executing a Run command until
the Drive Enable2 input is closed. When the Drive Enable2 input is open and a Run command is closed, the digital operator
will display “dnE”.
The Run command does not need to be cycled after the Drive Enable2 input is closed. The drive will run when both the Run
and Drive Enable2 inputs are closed. If the Drive Enable2 input is opened while the drive is running, the drive will stop using
the method set by parameter b1-03.
Setting A4: BP Emergency Override
When this input is closed the drive will switch into override. If the drive is running the drive will stop running and the motor
will be switched to line voltage. If the drive is not running and dampers are present, they will be actuated. Upon completion
of damper actuation the motor will be run on line voltage.
Setting A5: BP Drive/Bypass Select
Note:
An oPE27 (BP Program Error) will occur if one of the digital inputs is set to A5 and parameter o1-13 or o1-14 is set to 2 (Drive/Bypass).
Status
Description
Open
Bypass mode
Closed
Drive mode
Setting A6: BP BAS Interlock
Indicates that the dampers are open.
Setting A7: BP Customer Safeties
Indicates that customer safeties are in place.
Setting A8: PI2 Disable (N.O.)
Disables the secondary PI controller. Output behavior depends on the setting of S3-12
1.7 H: Terminal Functions
86
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual